105420280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{376501}}^1$

素因数の和:376519

約数の個数: 32

約数和(自身を含む): 271081440

約数和(自身を除く): 165661160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 376501, 753002, 1506004, 1882505, 2635507, 3012008, 3765010, 5271014, 7530020, 10542028, 13177535, 15060040, 21084056, 26355070, 52710140, 105420280]

約数ペア:

[(1, 105420280), (2, 52710140), (4, 26355070), (5, 21084056), (7, 15060040), (8, 13177535), (10, 10542028), (14, 7530020), (20, 5271014), (28, 3765010), (35, 3012008), (40, 2635507), (56, 1882505), (70, 1506004), (140, 753002), (280, 376501)]